![](/media/cache/profiles/abe2ca61c029b13e9be6d6fc73c75986.jpg.50x50_q85.jpg)
Reading a RFID tag (13.56MHz) and sending its data through bluetooth (HC-05 module) to an Android cellphone (using the BlueTerm APP).
Dependencies: TextLCD beep mbed
Fork of RFID-RC522 by
main.cpp@3:bf44d10e4904, 2014-09-23 (annotated)
- Committer:
- Clovis
- Date:
- Tue Sep 23 07:08:59 2014 +0000
- Revision:
- 3:bf44d10e4904
- Parent:
- 2:a0c7513fb634
initial release: reads a RFID tag (13.56Mhz) and sends the data of the tag to a cellphone (through HC-05 bluetooth module). Tested for the FRDM-K64F (Freescale) platform.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kirchnet | 2:a0c7513fb634 | 1 | //Test of cheap 13.56 Mhz RFID-RC522 module from eBay |
Clovis | 3:bf44d10e4904 | 2 | //This code is based on Martin Olejar's and Thomas Kirchner's MFRC522 libraries. Minimal changes |
Clovis | 3:bf44d10e4904 | 3 | //Adapted for FRDM-K64F from Freescale, in 07/21/2014 by Clovis Fritzen. |
kirchnet | 2:a0c7513fb634 | 4 | |
kirchnet | 2:a0c7513fb634 | 5 | #include "mbed.h" |
kirchnet | 2:a0c7513fb634 | 6 | #include "MFRC522.h" |
Clovis | 3:bf44d10e4904 | 7 | #include "beep.h" |
Clovis | 3:bf44d10e4904 | 8 | #include "TextLCD.h" |
kirchnet | 2:a0c7513fb634 | 9 | |
Clovis | 3:bf44d10e4904 | 10 | // FRDM-K64F (Freescale) Pin for MFRC522 reset |
Clovis | 3:bf44d10e4904 | 11 | #define MF_RESET PTD0 |
kirchnet | 2:a0c7513fb634 | 12 | |
Clovis | 3:bf44d10e4904 | 13 | // Defining the serial ports for PC and Bluetooth |
Clovis | 3:bf44d10e4904 | 14 | #define SERIAL_1 |
Clovis | 3:bf44d10e4904 | 15 | Serial pc(USBTX, USBRX); |
Clovis | 3:bf44d10e4904 | 16 | #ifdef SERIAL_1 |
Clovis | 3:bf44d10e4904 | 17 | Serial blue(PTC15,PTC14); // HC05 |
Clovis | 3:bf44d10e4904 | 18 | #endif |
Clovis | 3:bf44d10e4904 | 19 | #ifdef SERIAL_2 |
Clovis | 3:bf44d10e4904 | 20 | Serial blue(PTC17,PTC16); // TX = P14 RX = P13 |
Clovis | 3:bf44d10e4904 | 21 | #endif |
Clovis | 3:bf44d10e4904 | 22 | |
kirchnet | 2:a0c7513fb634 | 23 | |
Clovis | 3:bf44d10e4904 | 24 | DigitalOut LedGreen(LED2), LedRed(LED1); |
Clovis | 3:bf44d10e4904 | 25 | TextLCD lcd(PTB9, PTA1, PTB23, PTA2, PTC2, PTC3); // rs, e, d4-d7 |
Clovis | 3:bf44d10e4904 | 26 | Beep buzzer(PTA0); |
Clovis | 3:bf44d10e4904 | 27 | Timer timeBetweenCards; |
Clovis | 3:bf44d10e4904 | 28 | char tagname; |
Clovis | 3:bf44d10e4904 | 29 | char * cardtypetest; |
Clovis | 3:bf44d10e4904 | 30 | char cardid; |
kirchnet | 2:a0c7513fb634 | 31 | |
Clovis | 3:bf44d10e4904 | 32 | |
Clovis | 3:bf44d10e4904 | 33 | |
Clovis | 3:bf44d10e4904 | 34 | //MFRC522 RfChip (SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS, MF_RESET); |
Clovis | 3:bf44d10e4904 | 35 | MFRC522 RfChip (PTD2, PTD3, PTD1, PTE25, PTD0); |
Clovis | 3:bf44d10e4904 | 36 | |
kirchnet | 2:a0c7513fb634 | 37 | |
kirchnet | 2:a0c7513fb634 | 38 | int main(void) { |
Clovis | 3:bf44d10e4904 | 39 | |
Clovis | 3:bf44d10e4904 | 40 | blue.baud(9600); |
Clovis | 3:bf44d10e4904 | 41 | pc.baud(9600); |
Clovis | 3:bf44d10e4904 | 42 | LedRed= 0; |
Clovis | 3:bf44d10e4904 | 43 | pc.printf("Bluetooth and RFID Started\r\n"); |
kirchnet | 2:a0c7513fb634 | 44 | |
kirchnet | 2:a0c7513fb634 | 45 | // Init. RC522 Chip |
kirchnet | 2:a0c7513fb634 | 46 | RfChip.PCD_Init(); |
kirchnet | 2:a0c7513fb634 | 47 | |
kirchnet | 2:a0c7513fb634 | 48 | while (true) { |
Clovis | 3:bf44d10e4904 | 49 | |
Clovis | 3:bf44d10e4904 | 50 | lcd.locate(0,0); |
Clovis | 3:bf44d10e4904 | 51 | lcd.printf("%.2f seconds \n", timeBetweenCards.read()); |
Clovis | 3:bf44d10e4904 | 52 | tagname = '\0'; |
Clovis | 3:bf44d10e4904 | 53 | LedRed= 1; |
kirchnet | 2:a0c7513fb634 | 54 | LedGreen = 1; |
kirchnet | 2:a0c7513fb634 | 55 | |
kirchnet | 2:a0c7513fb634 | 56 | // Look for new cards |
kirchnet | 2:a0c7513fb634 | 57 | if ( ! RfChip.PICC_IsNewCardPresent()) |
kirchnet | 2:a0c7513fb634 | 58 | { |
Clovis | 3:bf44d10e4904 | 59 | //wait_ms(100); |
kirchnet | 2:a0c7513fb634 | 60 | continue; |
kirchnet | 2:a0c7513fb634 | 61 | } |
kirchnet | 2:a0c7513fb634 | 62 | |
kirchnet | 2:a0c7513fb634 | 63 | // Select one of the cards |
kirchnet | 2:a0c7513fb634 | 64 | if ( ! RfChip.PICC_ReadCardSerial()) |
kirchnet | 2:a0c7513fb634 | 65 | { |
Clovis | 3:bf44d10e4904 | 66 | //wait_ms(100); |
Clovis | 3:bf44d10e4904 | 67 | |
kirchnet | 2:a0c7513fb634 | 68 | continue; |
Clovis | 3:bf44d10e4904 | 69 | |
kirchnet | 2:a0c7513fb634 | 70 | } |
Clovis | 3:bf44d10e4904 | 71 | |
Clovis | 3:bf44d10e4904 | 72 | // When a card is detected, a Green Led flashes and a buzzers bips! |
Clovis | 3:bf44d10e4904 | 73 | blue.printf("%f seconds \n", timeBetweenCards.read()); |
Clovis | 3:bf44d10e4904 | 74 | timeBetweenCards.start(); |
Clovis | 3:bf44d10e4904 | 75 | LedGreen = 0; |
Clovis | 3:bf44d10e4904 | 76 | buzzer.beep(5000,0.3); |
kirchnet | 2:a0c7513fb634 | 77 | |
kirchnet | 2:a0c7513fb634 | 78 | // Print Card UID |
Clovis | 3:bf44d10e4904 | 79 | printf("\n\r"); |
Clovis | 3:bf44d10e4904 | 80 | printf("Card UID: "); |
Clovis | 3:bf44d10e4904 | 81 | |
kirchnet | 2:a0c7513fb634 | 82 | for (uint8_t i = 0; i < RfChip.uid.size; i++) |
kirchnet | 2:a0c7513fb634 | 83 | { |
Clovis | 3:bf44d10e4904 | 84 | printf(" %X02", RfChip.uid.uidByte[i]); |
Clovis | 3:bf44d10e4904 | 85 | cardid= RfChip.uid.uidByte[i]; |
Clovis | 3:bf44d10e4904 | 86 | blue.printf(" %X02 ", (char *) cardid); |
Clovis | 3:bf44d10e4904 | 87 | tagname= RfChip.uid.uidByte[i]+ tagname; |
Clovis | 3:bf44d10e4904 | 88 | blue.putc(tagname); |
Clovis | 3:bf44d10e4904 | 89 | lcd.locate(0,1); |
Clovis | 3:bf44d10e4904 | 90 | lcd.printf("Tag id: %.0d\n", tagname); |
Clovis | 3:bf44d10e4904 | 91 | |
kirchnet | 2:a0c7513fb634 | 92 | } |
Clovis | 3:bf44d10e4904 | 93 | printf("\n\r"); |
Clovis | 3:bf44d10e4904 | 94 | if (tagname == 226) { |
Clovis | 3:bf44d10e4904 | 95 | printf ("BLUE Keychain"); |
Clovis | 3:bf44d10e4904 | 96 | printf("\n\r"); |
Clovis | 3:bf44d10e4904 | 97 | } else { |
Clovis | 3:bf44d10e4904 | 98 | if (tagname == 92) { |
Clovis | 3:bf44d10e4904 | 99 | |
Clovis | 3:bf44d10e4904 | 100 | printf ("White card"); |
Clovis | 3:bf44d10e4904 | 101 | printf("\n\r"); |
Clovis | 3:bf44d10e4904 | 102 | } |
Clovis | 3:bf44d10e4904 | 103 | } |
Clovis | 3:bf44d10e4904 | 104 | |
Clovis | 3:bf44d10e4904 | 105 | |
Clovis | 3:bf44d10e4904 | 106 | |
Clovis | 3:bf44d10e4904 | 107 | printf("Decimal tag ID: %d \n\r", tagname); |
kirchnet | 2:a0c7513fb634 | 108 | |
kirchnet | 2:a0c7513fb634 | 109 | // Print Card type |
kirchnet | 2:a0c7513fb634 | 110 | uint8_t piccType = RfChip.PICC_GetType(RfChip.uid.sak); |
Clovis | 3:bf44d10e4904 | 111 | printf("PICC Type: %s \n\r", RfChip.PICC_GetTypeName(piccType)); |
Clovis | 3:bf44d10e4904 | 112 | cardtypetest= RfChip.PICC_GetTypeName(piccType); |
Clovis | 3:bf44d10e4904 | 113 | blue.printf("PICC Type: %s \n\r",(char *) cardtypetest); |
Clovis | 3:bf44d10e4904 | 114 | //wait_ms(100); |
kirchnet | 2:a0c7513fb634 | 115 | } |
kirchnet | 2:a0c7513fb634 | 116 | } |